25783225 has 12 divisors (see below), whose sum is σ = 34430956. Its totient is φ = 19039680.

The previous prime is 25783217. The next prime is 25783229. The reversal of 25783225 is 52238752.

It can be written as a sum of positive squares in 6 ways, for example, as 3154176 + 22629049 = 1776^2 + 4757^2 .

It is not a de Polignac number, because 25783225 - 2³ = 25783217 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25783229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39342 + ... + 39991.

Almost surely, 2^25783225 is an apocalyptic number.

25783225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25783225 is a deficient number, since it is larger than the sum of its proper divisors (8647731).

25783225 is a wasteful number, since it uses less digits than its factorization.

25783225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79356 (or 79351 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 25783225 is about 5077.7184837287. The cubic root of 25783225 is about 295.4239809874.

It can be divided in two parts, 25 and 783225, that multiplied together give a square (19580625 = 4425²).

The spelling of 25783225 in words is "twenty-five million, seven hundred eighty-three thousand, two hundred twenty-five".